Description
BUY TPS5103IDB https://www.utsource.net/itm/p/11772640.html
| Parameter |
Symbol |
Min |
Typ |
Max |
Unit |
Conditions |
| Input Voltage |
VIN |
2.9 |
|
5.5 |
V |
|
| Output Voltage |
VOUT |
|
1.8 |
|
V |
Fixed output voltage |
| Quiescent Current |
IQ |
|
30 |
|
μA |
VIN = 3.6V, VOUT = 1.8V, IOUT = 0mA |
| Dropout Voltage |
VDROPOUT |
|
270 |
|
mV |
IOUT = 200mA |
| Load Regulation |
|
|
1 |
|
% |
IOUT from 0 to 200mA |
| Line Regulation |
|
|
0.1 |
|
% |
VIN from 2.9V to 5.5V |
| Power Supply Rejection |
PSRR |
|
50 |
|
dB |
f = 1kHz |
| Enable Input Voltage |
VEN |
1.1 |
|
|
V |
Enable threshold |
| Shutdown Current |
ISD |
|
0.1 |
|
μA |
VIN = 3.6V, EN = 0V |
Instructions for TPS5103IDB
Power Supply Connection:
- Connect the input voltage (VIN) within the range of 2.9V to 5.5V.
- Ensure proper bypassing with a capacitor close to the VIN pin.
Output Configuration:
- The device provides a fixed output voltage of 1.8V.
- Place an output capacitor at VOUT for stability.
Enable Pin:
- The enable pin (EN) can be used to control the operation of the regulator.
- Apply a voltage greater than 1.1V to activate the regulator; pull it low or leave it floating to shut down the device.
Thermal Considerations:
- Ensure adequate heat dissipation if operating at high load currents.
- Keep the junction temperature within safe limits to avoid thermal shutdown.
Layout Recommendations:
- Use short and wide traces for power connections.
- Maintain a compact layout to minimize parasitic inductance and resistance.
Protection Features:
- The device includes overcurrent and thermal protection.
- In case of overload, the device will enter a fault condition and attempt to recover once the fault is cleared.
For detailed application circuits and more advanced configurations, refer to the full datasheet provided by the manufacturer.
(For reference only)
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